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TR-91 / TR-92 - Introduction 

 

Introduction 

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been 

providing a world of unique, creative, and affordable solutions to the vast range of 

problems that confront video, audio, presentation, and broadcasting professionals 

on a daily basis. In recent years, we have redesigned and upgraded most of our 

line, making the best even better!  

Our 1,000-plus different models now appear in 11 groups that are clearly defined 

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers; 

GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5: 

Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7: 

Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: 

Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11: 

Sierra Video Products. 

Congratulations on purchasing your Kramer 

TR-91

 100W Audio Transformer /  

TR-92

 2x100W Audio Transformer, which is ideal for the following typical 

applications: 

 

Array installations 

 

Presentation venues 

 

Conference rooms 

 

Training rooms 

 

Educational classrooms 

 

Hotel lobbies 

Summary of Contents for TR-91

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODELS TR 91 100W Audio Transformer TR 92 2x100W Audio Transformer P N 2900 300384 Rev 4...

Page 2: ......

Page 3: ...Defining the TR 91 and TR 92 5 5 Installing the TR 91 and TR 92 6 5 1 Connecting the TR 92 6 5 2 Connecting the TR 91 8 6 Technical Specifications 10 Figures Figure 1 TR 91 100W Audio Transformer 5 F...

Page 4: ...clearly defined by function GROUP 1 Distribution Amplifiers GROUP 2 Switchers and Routers GROUP 3 Control Systems GROUP 4 Format Standards Converters GROUP 5 Range Extenders and Repeaters GROUP 6 Spec...

Page 5: ...ly good quality connection cables we recommend Kramer high performance high resolution cables to avoid interference deterioration in signal quality due to poor matching and elevated noise levels often...

Page 6: ...llected and recycled To comply with the WEEE Directive Kramer Electronics has made arrangements with the European Advanced Recycling Network EARN and will cover any costs of treatment recycling and re...

Page 7: ...the speaker output of a power amplifier transforms it to 70V 100V and distributes it to an array of loudspeakers The TR 92 2x100W Audio Transformer is a 2x100W transformer for speaker signals The uni...

Page 8: ...2 OUTPUT Terminal Block Connectors Connect the 70V or 100V and COM terminals to a 70V 100V speaker Figure 2 TR 92 2x100W Audio Transformer Feature Function 1 CHANNEL 1 Terminal Block Connectors INPUT...

Page 9: ...the 907xl to the CHANNEL 2 INPUT 8 and COM terminal block connectors on the TR 92 Alternatively you can reverse the order and connect the left output on the 907xl to CHANNEL 2 and the right output on...

Page 10: ...Mixer in this example To up to two audio sources not shown in Figure 3 24V DC power adapter to the power socket and connect the adapter to the mains electricity For further details you can download th...

Page 11: ...UTPUT terminal block connectors on the 907xl to the INPUT and terminal block connectors on TR 91 2 Connect the OUTPUT to a 70V 100V speaker for example the Kramer Galil 8 C Ceiling Speaker by connecti...

Page 12: ...TR 91 TR 92 Installing the TR 91 and TR 92 9 Figure 4 Connecting the TR 91 100W Audio Transformer...

Page 13: ...connector OUTPUT 1 2 MAX POWER 100W VOLTAGE GAIN 7 4dB 10 5dB 70V 100V BANDWIDTH 3dB 18kHz OPERATING TEMPERATURE 0 to 40 C 32 to 104 F STORAGE TEMPERATURE 10 to 60 C 14 to 140 F HUMIDITY 10 to 90 RHL...

Page 14: ......

Page 15: ...sit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com P N 2900 300384 Rev 4 SAFETY...

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